Finding the Fourth Proportional to 877,112.96, 1,316,194.24 and 378,476.96
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Solution
The fourth proportional to 877,112.96, 1,316,194.24 and 378,476.96 is: 567,941.89
Step by Step Solution
- Step 1: Write the proportion equation
877,112.96 : 1,316,194.24 = 378,476.96 : x - Step 2: Convert to fraction form
877,112.96/1,316,194.24 = 378,476.96/x - Step 3: Cross multiply
877,112.96x = 1,316,194.24 × 378,476.96 - Step 4: Simplify right side
877,112.96x = 498,149,194,724.71 - Step 5: Solve for x
x = 498,149,194,724.71/877,112.96 - Step 6: Final answer
x = 567,941.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.